線性動作 的英文怎麼說

中文拼音 [xiànxìngdòngzuò]
線性動作 英文
linear movement
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  2. This paper done deepgoing theoretical studies on the nonlinear dynamical analysis of tension leg platform ( tlp ) in waves based on reasonable mathematical model, revealed some important phenomenon, and gave out integral analysis theories and computational method. the main parts of the paper are as follows : 1

    本文針對深海張力腿平臺本體在波浪作用下的非線性動力分析問題進行了深入的理論研究，建立了合理的數學模型描述了相關的問題，揭示了一些重要現象，提出了完整的張力腿平臺本體非線性動力分析理論和計算方法。
  3. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據，分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同，只是應力的值大小不同；地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小；模型沿墻高方向的加速度響應等。接著，根據模型動力有限元時程分析結果和模型試驗數據的比較分析，得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。
  4. The imitation result makes down : to static or linear moving carrier, ordinary ballistic missile processes better hit effect, and yet to the warning system intact and being in mobile evading carrier, fighting effect is very much finite, so the fresh terminal guidance technology needs to be developed

    模擬結果表明：普通彈道導彈對靜態或線性動態的航母目標有較好的命中效果，但對預警系統完好、且處于機動規避中的航母，則作戰效果非常有限，需要發展新的末制導技術。
  5. First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given

    首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題，用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題，通過理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷，給出了具體的算例。
  6. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速度的不斷提高和新型材料、新型結構的推廣應用，旋轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來，隨著非線性科學研究的深入和滲透，轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發，綜述了近年來轉子系統非線性振動研究的主要進展，總結了轉子系統中出現的典型非線性動力現象及其產生機理，目的在於豐富旋轉機械故障診斷知識庫.參55
  7. It begins with designing two representative reinforced concrete public frames according to new codes in this paper, and carries out nonlinear dynamic analysis by inputting ground motions at the intensity of intermediate earthquake and rare earthquake actions. the slab - bars effect on yield strength of beams is involved in analysis

    本文嚴格按照新規范設計了設防烈度分別為7度半、 8度半的兩個民用建築鋼筋混凝土典型框架，然後分別對其進行了設防地震作用和罕遇地震作用下的非線性動力反應分析，並在分析中考慮了板筋作用對梁端屈服彎矩的影響。
  8. A small scale geogrid reinforced earth experimental model is designed, and its nonlinear seismic behavior under seismic excitation is analysed by seismic finite element analysis method

    根據設計的塑料土工格柵加筋土動力特性試驗的模型，採用有限元時程分析方法分析了地震作用下模型加筋土的非線性動力行為特性。
  9. Taking the qian xue - sen ' s system of modern science and technology as background, this paper has expounded the meaning, way of and difficulty with the founding of systematology, looked back three stages of qian xuesen ' s systematology founding, investigated the present situation, problems and causes, and put forward some personal viewpoints on the different opinions about systemtology in the academic circle, proposing that for the development of systemtology it is necessary to further digest the non - linear mechanics, self - organization theory, cas theory, and so on and make creative conversion of their results with the description of the whole emergency of the system as the general goal and the stress imposed on the working - out of the intrinsic mechanisms and laws of the complicated big systems

    摘要以錢學森的現代科學技術體系為大背景闡述建立系統學的意義、途徑和難度，回顧了錢學森創建系統學的三個階段，考察系統學的現狀、問題及其成因，對學界某些歧見給出筆者的看法提出系統學的發展應該進一步消化非線性動力學、自組織理論、 cas理論等，並對其成果作創造性的轉換，以描述系統的整體涌現性為總目標，重在揭示開放復雜巨系統的內在機制和規律。
  10. Experimental results are compared with results predicted by models. and the stress - strain relations of the models are compared with the simulate curve. at last, three models are chosen for dynamic response analysis of simulation structure situated at area of fortification intensity 8

    在此基礎上，將各模型計算機程序化，併入課題組編制完成的基於纖維（ fiber ）模型樑柱單元的三維空間框架非線性動力反應分析程序中，作為程序的混凝土材料庫。
  11. Stochastic resonance ( sr ) is a counterintuitive phenomenon of nonlinear dynamic systems wherein the noise ( stochastic force ) plays a constructive role. this phenomenon has then attracted much attention in the past two decades, and it has been observed that sr can occur in a wide variety of systems

    隨機共振現象是非線性動力學系統中的一種反直觀的現象，當一個非線性動力學系統受到一個隨機力（噪聲）的激勵，也就是系統輸入具有一個連續的頻譜，系統和輸入的隨機激勵之間會產生一種協同作用，使得系統輸出的性能有所提高，這一現象被稱為隨機共振。
  12. In fact, the constitutive models employed in both methods could not re - produce the dynamic behaviour of soil to non - proportional cyclic loading, such as waves loading. to simulate dynamic responses of elastic, visco - elastic and elasto - plastic sea beds, linear and / or non - linear numerical models based on generalized biot ' s theory are developed together with stable and effective algorithm. the difficulty in numerical computation made the generalized biot ' s theory be difficult to be put into practice in the field of geotechnical engineering

    上述兩種方法採用的土體本構模型都不能再現砂土在暴風浪等非比例加載條件下的動力特性，本文基於廣義biot理論提出了波浪作用下海床線性或非線性動力響應的耦合計算模型與穩定、高效數值演算法，分別針對土的彈性、粘彈性與彈塑性本構關系，對海床的動力響應進行了有限元數值模擬與分析。
  13. The precision duhamel integration solution for the linearization equation is also given from the theory of linear differential equation. the calculating results show that the new method can improve the calculation precision greatly. in fact, the truncation error is not limited by this method, it can arrive the precision according to the requirement

    本文的主要工作有以下幾個方面: （ 1 ）由於非線性項的存在，使得多數情況下難以得到非線性動力方程的解析解表達式，目前常使用數值積分方法來求解非線性動力學方程的解，但常規計算方法的計算精度不很理想，本文提出了含taylor展開項中高階余項的非線性動力方程的線性化數值計算方法，構造了瞬態線性化方程，給出了duhamel積分的表達式。
  14. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    （ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  15. Hence this method can improve accuracy and efficiency of the calculation. c. based on these work upwards, an adaptively wavelet precise time - invariant integration method was proposed in this paper. in this method, an adaptive multilevel interpolation wavelet collocation method for partial difference equations ( pdes ) was conducted, in which the time complexity is less than oleg v ' s method, and then the adaptive precise integration method was combined with, so that in this method the adaptively discretes both in time domain and physical domain were realized

    該方法將外推法引入求解結構動力方程的精細時程積分法中，從而使該方法在求解非線性動力方程中可以自適應選取時間步長；需要指出的是，由於考慮了矩陣指數精細演算法和外推法演算法在時間離散方法上的一致性，在外推過程中，計算工作量基本沒有增加；因此，兩種方法的結合有效提高了演算法的效率和精度。
  16. The simplified prepressing - contact spring - damping system was studied in this dissertation. the nonlinear dynamic characteristic of this system was research by experiment method

    本文以簡化的預緊接觸式彈簧阻尼系統為研究對象，著重於用試驗方法來研究系統在動態載荷作用下的非線性動力學特性。
  17. ( 4 ) with the help of the experimental samples, a drnn identifier is trained off - line utilizing the compound identification method. the nonlinear dynamic model is achieved for the experimental mechanism

    4 .在系統辨識方面，本文以實驗輸入輸出數據作為訓練樣本，採用復合辨識方法離線設計了動態遞歸神經網路辨識器，獲得了彈性連桿機構的非線性動力學模型。
  18. As a complex nonlinear dynamics behavior, chaos is a general phenomenon in nature and is one of the most important discoveries in the 20th century later. chaos, which is generated by non - linear dynamical system, possesses many unusual characteristics and these characteristics enable chaos to have a great charming prospect and practical value in secure communication field. recently, chaotic communication has become a new and promising subject, so this dissertation selects it as research direction, and analyses emphatically the applications of chaos in cdma communication system. the main works are as follows : ( 1 ) chaotic phenomena and its related problems are summarized, and these problems, such as the relation of spread - spectrum code in cdma communication system and chaotic sequences, and the relation of chaotic synchronization and system secret performance, are discussed

    混沌是一種特殊復雜的非線性動力學行為，也是自然界普遍存在的現象，被認為是二十世紀末期最重要的科學發現之一。有確定性非線性動力學系統產生的混沌具有許多奇異的特性，顯示了混沌在保密通信等領域有著誘人的應用前景和重大的實用價值，目前，混沌理論在通信中的應用是一個全新的前沿課題。本文以此作為研究方向，著重分析了混沌在碼分多址通信系統中的應用。
  19. In the latter, the non - linear dynamic stabilities of the single rotor system with a crack are researched. the non - linear differential equ ations have periodic coefficients. and using the stability theory of the periodic motion, it is discussed that the thickness of the disk, the position of the disk and the position of the crack have effects on the dynamic stabilities

    首先簡單討論了含裂紋的單盤轉子系統的線性動力穩定性，並與相關的文獻作出比較，驗證了等效線彈簧模型的正確性和精確性；然後，討論了含裂紋的單盤轉子系統的非線性動力穩定性，得到了一組具有周期系數的非線性微分方程組，且利用周期運動的穩定性理論進行了求解，深入討論了盤的厚度，盤所處的位置和裂紋所處的位置對轉子系統動力穩定性的影響。
  20. As an important component of non - linear theory, complexity theory is still rarely used into this study

    而復雜性理論作為非線性動力學中的重要組成部分，在流態化領域的運用還不多見。
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